Bifocal Lenses
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What are Bifocal Lenses?
Bifocal glasses are special glasses that have two distinct eye powers in one glass. One power helps to correct distant vision, while another offers clear vision to nearer objects. Usually, the top portion of the glass has power correction for far objects, and the lower area helps with reading.
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Our expert opticians commonly prescribe it for people suffering from presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism.
How Do Bifocals Work?
Bifocal lenses with two optical powers help one avoid carrying two separate single-vision glasses to have both distant and near vision. The mechanics behind the functioning of the bifocal lens are pretty simple. The lens has two segments where the division line is either blended or visible on the glass, depending on the type of bifocals you need. The upper segment is designed for distance viewing, and the lower is designed for near vision, reading, or doing minute tasks.
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Since the bifocal lens has two distinct sections, the wearer can quickly shift their focus from distant to nearby objects without feeling any disruptions in their vision.
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The lower part of the lens has a viewing zone for close-up objects because people look down to read or perform tasks that require closer viewing. The upper section of the lens is for distant vision and corrects conditions like myopia and astigmatism.
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This mechanism of bifocal lenses makes them ideal for people, generally above the age of 40, who need both near and distant vision corrections. With bifocal lenses, they no longer need to switch between their reading and distant glasses.


What are the Uses of Bifocals?
Bifocal lenses are used for vision correction but are not like regular glasses. They combine two pairs of glasses into one (distant and near vision) and boost convenience. With a bifocal lens, the user doesn’t need to switch specs constantly.
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For example, if you are in a crucial office meeting, you might need a bifocal lens. These glasses allow you to check papers and concentrate on the presentation simultaneously. They are also ideal for driving.
Who Are Suitable For Bifocal Lenses?
Bifocal glasses have two types of lenses, each correcting nearer and distant visions. They are useful for people who need different vision corrections, typically elderly persons who lose their ability to view nearer objects after a certain age.
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People working in challenging settings like offices may also need bifocal glasses to simultaneously look at their laptop and the presentation on a distant screen.
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This states that bifocal lens prescription is an excellent solution for:
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Presbyopia:
This condition occurs when people have difficulty reading or focusing on close-up objects. While this is a standard part of ageing, a versatile pair of bifocal lenses helps them effortlessly see things at varying distances.
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Two prescriptions:
Bifocal lens are suitable for those with two lens prescriptions, one for distant vision and the other for reading. Anyone with this vision condition needs two glasses for distant vision and reading. With Bifocal prescription lens, they no longer have to switch between the glasses.
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Distinct interests/hobbies:
If anyone has an interest or hobby in dealing with miniature or faraway objects that require great vision, bifocals are for them. When buying bifocal glasses, they can ask the seller to customise the lower or upper part of the lens to make it appropriate for their activities.
What Are The Different Types of Bifocals?
Our smart bifocal glasses carefully correct near and far vision. Royal Specs offers practical solutions in different shapes for your specific power demands.
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Half-moon or D Shape
In this lens type, the lower part remains a half-moon or D-shaped bifocal, distinguishing between the upper and lower parts. The user can choose the length of the lower segment between 25mm and 28mm.
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Round Shape
Round-shaped bifocal lens glasses feature a round-shaped glass bottom glass for clearer near vision. Users can choose from 22 or 24mm in length.
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Executive
The executive bifocal lens has two distinct power parts and a clear line showing this division. It is ideal for office-going people for enhanced convenience.
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Blended
A blended bifocal lens has a round-shaped lower segment whose edges perfectly blend with the upper lens. It offers a blended and professional look.
Are Bifocals Different from Varifocals?
Bifocal and varifocal lenses combine different powers into one glass to reduce complexity. However, they are quite different in approach. Bifocal lenses have two distinct glasses that cater to two issues and have a separating line. While varifocals do not have that separating line, only an expert optician can differentiate between the powers.
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With a bifocal lens, you must adjust your eye position (by looking upside down) for clear vision. Varifocals have a smooth vision transition and reduce user intervention.
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Here is a clear idea of varifocal vs. bifocal lenses to help you understand the lens type you need.
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Bifocals: They contain two lens prescriptions, one for distance and the other for close-up vision. The two parts are visible in the lenses due to a separation line. The wearer has to look up and look down to switch from one power to another for long-distant and nearer vision.
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Varifocals: These lenses combine near, intermediate, and distance vision prescriptions. They do not have a visible separation line between the different powers. Wearers can seamlessly switch between powers without feeling the sudden transition in their vision that they experience while wearing bifocals.
What are the Pros & Cons of Bifocal Lens?
Bifocal lenses are extremely popular among users due to their excellent vision correction. They address both far and near vision problems. Still, they have some limitations.
Pros:
It combines two eye strengths in one glass and reduces the number of glasses.
Bifocal lens glasses come at an affordable price
Cons:
Its clear distinction between powers causes an abrupt jump in vision and discomfort.
Bifocal lenses have no intermediate power zone. It is either too big or too short and causes discomfort.
Buy Premium-Quality Bifocal Lenses Online at Royal Specs!
Bifocal lens glasses are widely popular because of their affordability and compact offering. Although its abrupt jump in power causes some issues, users get habituated with time and learn proper tricks to use it.
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At Royal Specs, we take pride in our state-of-the-art laboratory, where precision meets craftsmanship. With over 14 years of experience, we deliver top-notch eyewear solutions with advanced technology. Our well-equipped laboratory’s experienced opticians curate exclusive specs from different metals, such as metal and plastic, with bifocal lenses.
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If you plan to buy bifocal online, we have many glasses available. Our experienced opticians ensure accurate power and perfect vision. At the same time, our seasoned glass designers pay significant attention to user comfort and style.
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Grab today the finest-quality bifocal lenses online for your vision needs!